republic-os/legislation/us/states/ca/20092010/ab-1666.md

---
type: "Bill"
title: "Local government: whistleblower hotline."
description: "Existing law authorizes a city, county, or city and county auditor or controller to maintain a whistleblower hotline to receive calls from persons who have information regarding possible violations by local government employees of state, federal, or local statutes, rules, or regulations, and requires any investigation conducted pursuant to this authorization to be kept confidential except where release of findings of a conducted investigation is deemed necessary to serve the interests of the public, except that the identity of the individual or individuals involved in the investigation is required to be kept confidential."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20092010"
identifier: "AB 1666"
citation: "California AB 1666 (20092010)"
classification: ["bill"]
subjects: ["Local government: whistleblower hotline."]
status: "enacted"
primary_sponsors: ["Swanson"]
version_count: 7
action_count: 24
vote_count: 6
first_action: "2010-01-20"
last_action: "2010-07-15"
source: "openstates"
source_identifier: "ocd-bill/2a6d4b53-88c6-4b17-9df2-74c586dab59e"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB1666"
source_hash: "d79c489c5d65a169c87e782a81236e3df1e66c82925ab8913056b749160ab3cb"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ca"]
---

# California AB 1666 (20092010) — Local government: whistleblower hotline.

Existing law authorizes a city, county, or city and county auditor or controller to maintain a whistleblower hotline to receive calls from persons who have information regarding possible violations by local government employees of state, federal, or local statutes, rules, or regulations, and requires any investigation conducted pursuant to this authorization to be kept confidential except where release of findings of a conducted investigation is deemed necessary to serve the interests of the public, except that the identity of the individual or individuals involved in the investigation is required to be kept confidential.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **01/20/10 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1666&version=20090AB166699INT)
2. **03/02/10 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1666&version=20090AB166698AMD)
3. **03/24/10 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1666&version=20090AB166697AMD)
4. **06/09/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1666&version=20090AB166696AMD)
5. **07/15/10 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1666&version=20090AB166694CHP)
6. **AB1666** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB1666)
7. **07/02/10 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1666&version=20090AB166695ENR)

## Votes

- Special Consent #28 AB1666 Swanson — **pass** (pass) · upper
- AB 1666 SWANSON Concurrence in Senate Amendments — **pass** (pass) · lower
- AB 1666 SWANSON Assembly Third Reading — **pass** (pass) · lower
- Do pass. — **pass** (pass) · upper
- Do pass. — **pass** (pass) · lower
- Be referred to Committee on Local Government. — **pass** (pass) · lower

## Sponsors

- Swanson — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2010-01-20** Read first time. To print. `reading-1`
- **2010-01-21** From printer. May be heard in committee February 20.
- **2010-01-27** Referred to Com. on L. & E. `referral-committee`
- **2010-03-02** From committee chair, with author's amendments: Amend, and re-refer to Com. on L. & E. Read second time and amended. `amendment-introduction, reading-2, amendment-passage, reading-1`
- **2010-03-03** Re-referred to Com. on L. & E. `referral-committee`
- **2010-03-04** Re-referred to Com. on RULES by unanimous consent. `referral-committee`
- **2010-03-11** From committee: Be re-referred to Com. on L. GOV. Re-referred. (Ayes 10. Noes 0.) (March 11). `referral-committee, committee-passage`
- **2010-03-24** From committee chair, with author's amendments: Amend, and re-refer to Com. on L. GOV. Read second time and amended. `amendment-introduction, reading-2, amendment-passage, reading-1`
- **2010-03-25** Re-referred to Com. on L. GOV. `referral-committee`
- **2010-05-06** From committee: Do pass. (Ayes 9. Noes 0.) (May 5). `committee-passage-favorable, committee-passage`
- **2010-05-10** Read second time. To third reading. `reading-2, reading-1`
- **2010-05-13** Read third time, passed, and to Senate. (Ayes 76. Noes 0. Page 5145.) `reading-3, passage, reading-1`
- **2010-05-13** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2010-05-27** Referred to Com. on L. GOV. `referral-committee`
- **2010-06-09** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on L. GOV. `amendment-introduction, reading-2, amendment-passage, referral-committee, reading-1`
- **2010-06-16** From committee: Do pass. (Ayes 4. Noes 0.) (June 16). `committee-passage-favorable, committee-passage`
- **2010-06-17** Read second time. To third reading. `reading-2, reading-1`
- **2010-06-23** Ordered to Special Consent Calendar.
- **2010-06-28** Read third time, passed, and to Assembly. (Ayes 32. Noes 0. Page 4101.) `reading-3, passage, reading-1`
- **2010-06-28** In Assembly. Concurrence in Senate amendments pending. May be considered on or after June 30 pursuant to Assembly Rule 77.
- **2010-07-01** Senate amendments concurred in. To enrollment. (Ayes 77. Noes 0. Page 5923.) `amendment-passage, committee-passage-favorable`
- **2010-07-07** Enrolled and to the Governor at 2 p.m.
- **2010-07-15** Approved by the Governor. `executive-signature`
- **2010-07-15** Chaptered by Secretary of State - Chapter 80, Statutes of 2010.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2a6d4b53-88c6-4b17-9df2-74c586dab59e`. Confidence: reported (aggregated from official California legislature records).